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| SS6714 Negative Voltage Regulator FEATURES Low power consumption. Low temperature coefficient. Output short-circuit protection. Wide operating voltage range. Good input stability. Space-saving packages - TO-92 or SOT-89 DESCRIPTION The SS6714 is a series of 3-terminal negative voltage regulators with output voltages internally set below the positive supply voltage. Since the SS6714 consumes less current and requires a smaller input/output voltage difference than existing industry-standard 3-terminal voltage regulators, higher capacity and longer service life can be provide in battery-powered portable equipment. The SS6714 is ideal as a power source for liquid crystal displays. APPLICATIONS LCD for Printing Calculators Cameras Voltage References for Instrumentation TYPICAL APPLICATION CIRCUIT VIN -6V GND SS6714-33 OUT -3.3V C1 1F + Negative Voltage Regulator ORDERING INFORMATION SS6714-XXCXXX Packing TR: Tape and reel TB: Tubes Package type X: SOT-89 Z: TO-92 Output voltage 30: -3.0V 33: -3.3V 50: -5.0V Example: SS6714-30CXTR a -3.0V output, in SOT-89 package shipped in tape and reel PIN CONFIGURATION SOT-89 TOP VIEW 1. VIN 2. GND 3. VOUT 1 2 3 TO-92 TOP VIEW 1. GND 2. VIN 3. VOUT 1 2 3 Rev.2.02 4/26/2004 www.SiliconStandard.com 1 of 5 SS6714 ABSOLUTE MAXIMUM RATINGS Supply Voltage .......................................................................................... -13V Operating Temperature Range Storage Temperature Range Power Dissipation .......................................................... - 20C~80C .......................................................... - 65C~150C SOT-89 Package TO-92 Package ...................... 0. 80W ....................... 0.78W TEST CIRCUIT IIN A IOUT A + + _ V VOUT + LOAD 1F Voltage Source - GND V VIN + SS6714 VIN OUT ELECTRICAL CHARACTERISTICS PARAMETER (VIN= -6.0V, TJ=25C, unless otherwise specified.) SYMBOL MIN. -2.95 VOUT -3.25 -4.93 VOUT VDIFF IIN VOUT V IN * VOUT TEST CONDITIONS SS6714-30 TYP. -3.0 -3.3 -5.0 20 50 6 0.05 50 MAX. -3.05 -3.35 -5.07 100 200 12 UNIT V V V mV mV A %/ V Output Voltage IOUT=300A SS6714-33 SS6714-50 Load Regulation I/O Voltage Difference Supply Current Input Stability Temperature Coefficient Output Short Circuit Current IOUT=0~5mA IOUT=300A IOUT=0 -25C~85C RLOAD=0 TC 15 ppm mA 24 Rev.2.02 4/26/2004 www.SiliconStandard.com 2 of 5 SS6714 TYPICAL PERFORMANCE CHARACTERISTICS -3.5 10 Output Voltage (V) -3.0 TA=25C -2.5 Supply Current (A) 9 8 7 6 5 SS6714-33 TA=25C -2.0 -1.5 -1.0 0 -2 -4 -6 -8 -10 -12 -14 4 Supply Voltage (V) Fig. 1 Output Voltage vs. Supply Voltage (Load Current=300A) 5.8 5.6 -3.30 Supply Voltage (V) Supply Current Voltage vs. Supply Voltage (No Load) -4 -6 -8 -10 -12 Supply Current (A) 5.4 5.2 5.0 4.8 4.6 4.4 -40 Output Voltage(V) SS6714-33 VIN= -6V IOUT=0 -3.29 -3.28 VIN= -6V IOUT=300A -3.27 -20 0 20 40 60 80 100 -3.26 -40 -20 0 20 40 60 80 100 Temperature (C) Fig. 3 Supply Current vs Temperature Temperature (C) Fig 4 Output Voltage vs Temperature -3.270 -3.275 Output Voltage (V) VIN= -6V TA=25C -3.255 0 -3.260 -3.265 1 2 3 4 5 Load Current (mA) Fig. 5 Output Voltage vs Load Current Rev.2.02 4/26/2004 www.SiliconStandard.com 3 of 5 SS6714 BLOCK DIAGRAM GND + VREF - + - VIN VOUT PIN DESCRIPTIONS VOUT PIN - Output pin. GND PIN - Power GND. VIN PIN - Power Supply Input. APPLICATION INFORMATION A capacitor of at least 1F is required between the output of the SS6714 and ground for stability. Without this capacitor the part will oscillate. Even though most types of capacitor may work, the equivalent series resistance (ESR) should be held to 5 or less if an aluminum electrolytic type is used. Many aluminum electrolytic capacitors have electrolytes that freeze at about -30C, so solid tantalum capacitors are recommended for operation below -25C. The value of this capacitor may be increased without limit. A capacitor of at least 0.1F should be placed from the input of the SS6714 to ground if the lead inductance between the input and power source exceeds 500nH (approximately 10 inches of trace). Rev.2.02 4/26/2004 www.SiliconStandard.com 4 of 5 SS6714 PHYSICAL DIMENSIONS SOT-89 (unit: mm) D D1 C A SYMBOL A B C D MIN 1.40 0.36 0.35 4.40 1.62 2.29 MAX 1.60 0.48 0.44 4.60 1.83 2.60 1.50 (TYP.) 3.00 (TYP.) H E D1 E e L e e1 B e1 H L 3.94 0.89 4.25 1.20 SOT89 Marking Part No. SS6714-30 SS6714-33 SS6714-50 Marking AP30 AP33 AP50 TO-92 (unit: mm) SYMBOL A C e1 D A L C E MIN 4.32 MAX 5.33 0.38 (TYP.) D E e1 L 4.40 3.17 5.20 4.20 1.27 (TYP.) 12.7 - Information furnished by Silicon Standard Corporation is believed to be accurate and reliable. However, Silicon Standard Corporation makes no guarantee or warranty, express or implied, as to the reliability, accuracy, timeliness or completeness of such information and assumes no responsibility for its use, or for infringement of any patent or other intellectual property rights of third parties that may result from its use. Silicon Standard reserves the right to make changes as it deems necessary to any products described herein for any reason, including without limitation enhancement in reliability, functionality or design. No license is granted, whether expressly or by implication, in relation to the use of any products described herein or to the use of any information provided herein, under any patent or other intellectual property rights of Silicon Standard Corporation or any third parties. Rev.2.02 4/26/2004 www.SiliconStandard.com 5 of 5 |
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